Badiashile agreed to a seven-and-a-half-year contract with Premier League team Chelsea on January 5, 2023, for a reported transfer fee of £32.7 million (€37 million), according to The Guardian.

Badiashile made his Chelsea debut on January 15, 2023, when he started the Premier League matchup against Crystal Palace. As Chelsea won 1-0, the French defender played the entire match and gave his new team a clean sheet.[9]

Badiashile is a senior international for France after being a part of a number of under-16 to under-21 teams since 2016.

In September 2022, Badiashile got his first call-up to the France national team, which he played in two UEFA Nations League games against Austria and Denmark.

Badiashile signed a seven-and-a-half-year contract with Premier League team Chelsea on January 5, 2023, for a reported transfer fee of £32.7 million (€37 million), according to The Guardian.

Badiashile made his Chelsea debut on January 15, 2023, when he started the Premier League matchup against Crystal Palace. As Chelsea won 1-0, the French defender played the entire match and gave his new team a clean sheet.